<!doctype html>
<html lang="en">
	<head>
		<meta charset="utf-8" />
		<title>Leaflet debug page - Zoom Pan</title>
		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0" />
		<link rel="stylesheet" href="../../dist/leaflet.css" />
		<link rel="stylesheet" href="../css/screen.css" />
		<script type="importmap">
			{
				"imports": {
					"leaflet": "../../dist/leaflet-src.esm.js"
				}
			}
		</script>
	</head>
	<body>
		<style>
			#map {
				width: 600px;
				height: 400px;
			}
			button {
				min-width: 3em;
				text-align: center;
			}
		</style>
		<div id="map"></div>
		<div style="position: absolute; left: 620px; top: 10px; z-index: 500">
			<div><button id="dc">DC</button>(flyTo)</div>
			<div><button id="sf">SF</button>(setView, 5 sec)</div>
			<div><button id="trd">TRD</button>(flyTo 20 sec)</div>
			<div><button id="lnd">LND</button>(fract. zoom)</div>
			<div><button id="kyiv">KIEV</button>(setView, fract. zoom)</div>
			<div><button id="mad">MAD</button>(fitBounds)</div>
			<div><button id="nul">NUL</button>(image overlay)</div>
			<div><button id="stop">stop</button></div>
			<table>
			<tr><td>on movestart</td><td id='movestart'></td></tr>
			<tr><td>on zoomstart</td><td id='zoomstart'></td></tr>
			<tr><td>on move</td><td id='move'></td></tr>
			<tr><td>on moveend</td><td id='moveend'></td></tr>
			<tr><td>on zoomend</td><td id='zoomend'></td></tr>
			<tr><td>on grid load</td><td id='load'></td></tr>
		</div>
		<script type="module">
			import {Map, TileLayer, Polyline, Marker, ImageOverlay} from 'leaflet';

			const kyiv = [50.5, 30.5];
			const lnd = [51.51, -0.12];
			const sf = [37.77, -122.42];
			const dc = [38.91, -77.04];
			const trd = [63.41, 10.41];
			const madBounds = [[40.70, -4.19], [40.12, -3.31]];
			const mad = [40.40, -3.7];

			const map = new Map('map', {zoomSnap: 0.25}).setView(dc, 14);
			const positron = new TileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png').addTo(map);
			
			new Polyline([kyiv, trd, lnd, mad, dc, sf]).addTo(map);

			new Marker(kyiv).addTo(map);
			new Marker(lnd).addTo(map);
			new Marker(dc).addTo(map);
			new Marker(sf).addTo(map);
			new Marker(trd).addTo(map);
			new Marker(mad).addTo(map);

			new ImageOverlay('https://placekitten.com/300/400?image=6', [[-0.2, -0.15], [0.2, 0.15]]).addTo(map);

			document.getElementById('dc').onclick   = () => map.flyTo(dc,  4);
			document.getElementById('sf').onclick   = () => map.setView(sf, 10, {duration: 5, animate: true});
			document.getElementById('trd').onclick  = () => map.flyTo(trd, 10, {duration: 20});
			document.getElementById('lnd').onclick  = () => map.flyTo(lnd, 9.25);
			document.getElementById('kyiv').onclick = () => map.setView(kyiv, 9.25);
			document.getElementById('nul').onclick  = () => map.flyTo([0, 0], 10);
			document.getElementById('mad').onclick  = () => map.fitBounds(madBounds);
			document.getElementById('stop').onclick = () => map.stop();

			function attachMoveEvent(name) {
				map.on(name, () => {
					document.getElementById(name).textContent = `${map.getCenter()} z${map.getZoom()}`;
				});
			}

			attachMoveEvent('movestart');
			attachMoveEvent('zoomstart');
			attachMoveEvent('move');
			attachMoveEvent('moveend');
			attachMoveEvent('zoomend');

			positron.on('load', () => {
				document.getElementById('load').textContent = `${map.getCenter()} z${map.getZoom()}`;
			});
		</script>
	</body>
</html>
